<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="标题1" prop="title1">
        <el-input
          v-model="queryParams.title1"
          placeholder="请输入标题1"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="标题2" prop="title2">
        <el-input
          v-model="queryParams.title2"
          placeholder="请输入标题2"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          :disabled="infoList.length?true:false"
          @click="handleAdd"
          v-hasPermi="['ssh:info:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['ssh:info:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['ssh:info:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['ssh:info:export']"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="infoList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="详情ID" align="center" prop="id" />
      <el-table-column
        label="顶部图片"
        align="center"
        prop="imageUrl"
        width="100"
      >
        <template slot-scope="scope">
          <image-preview :src="scope.row.imageUrl" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="标题1" align="center" prop="title1" />
      <el-table-column label="标题2" align="center" prop="title2" />
      <el-table-column label="简介1" align="center" prop="appIntro" width="200">
        <template slot-scope="scope">
          <div v-html="getTextSummary(scope.row.appIntro, 50)"></div>
        </template>
      </el-table-column>
      <el-table-column
        label="简介2"
        align="center"
        prop="teamIntro"
        width="200"
      >
        <template slot-scope="scope">
          <div v-html="getTextSummary(scope.row.teamIntro, 50)"></div>
        </template>
      </el-table-column>
      <el-table-column label="版权信息" align="center" prop="copyright" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['ssh:info:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['ssh:info:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改关于我们对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="顶部图片" prop="imageUrl">
          <el-upload
            class="avatar-uploader"
            action="#"
            :http-request="(options) => customUpload(options)"
            :show-file-list="false"
            :before-upload="beforeUpload"
            accept="image/*"
          >
            <img v-if="form.imageUrl" :src="form.imageUrl" class="avatar" />
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>
        </el-form-item>
        <el-form-item label="标题1" prop="title1">
          <el-input v-model="form.title1" placeholder="请输入标题1" />
        </el-form-item>
        <el-form-item label="标题2" prop="title2">
          <el-input v-model="form.title2" placeholder="请输入标题2" />
        </el-form-item>
        <el-form-item label="简介1" prop="appIntro">
          <editor v-model="form.appIntro" :min-height="192" />
        </el-form-item>
        <el-form-item label="简介2" prop="teamIntro">
          <editor v-model="form.teamIntro" :min-height="192" />
        </el-form-item>
        <el-form-item label="版权信息" prop="copyright">
          <el-input v-model="form.copyright" placeholder="请输入版权信息" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listInfo,
  getInfo,
  delInfo,
  addInfo,
  updateInfo,
} from "@/api/ssh/info";
import { uploadFile } from "@/api/oss";

export default {
  name: "Info",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 关于我们表格数据
      infoList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title1: null,
        title2: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {},
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询关于我们列表 */
    getList() {
      this.loading = true;
      listInfo(this.queryParams).then((response) => {
        this.infoList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        imageUrl: null,
        title1: null,
        title2: null,
        appIntro: null,
        teamIntro: null,
        copyright: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加关于我们";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getInfo(id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改关于我们";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateInfo(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addInfo(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal
        .confirm('是否确认删除关于我们编号为"' + ids + '"的数据项？')
        .then(function () {
          return delInfo(ids);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "ssh/info/export",
        {
          ...this.queryParams,
        },
        `info_${new Date().getTime()}.xlsx`
      );
    },
    /** 获取文本摘要 */
    getTextSummary(text, maxLength) {
      if (!text) return ''
      const div = document.createElement('div')
      div.innerHTML = text
      const plainText = div.textContent || div.innerText || ''
      return plainText.length > maxLength ? plainText.substring(0, maxLength) + '...' : plainText
    },
    // 图片上传相关方法
    beforeUpload(file) {
      // 文件类型验证
      const isImage = file.type.startsWith('image/');
      if (!isImage) {
        this.$message.error('只能上传图片文件!');
        return false;
      }
      
      // 文件大小验证 (5MB)
      const isLt5M = file.size / 1024 / 1024 < 5;
      if (!isLt5M) {
        this.$message.error('图片大小不能超过 5MB!');
        return false;
      }
      
      return true;
    },
    // 自定义上传方法，使用oss.js中的uploadFile
    async customUpload(options) {
      try {
        const { file } = options;
        
        // 显示上传进度
        this.$modal.loading("正在上传图片，请稍候...");
        
        // 创建FormData
        const formData = new FormData();
        formData.append("file", file);
        
        // 调用oss.js中的uploadFile方法
        const response = await uploadFile(formData);
        
        // 调试信息：打印完整的响应数据
        console.log('OSS上传响应:', response);
        
        if (response.code === 200) {
          this.$message.success("图片上传成功");
          // 注意：后端返回的url在response根级别，不是在data中
          const imageUrl = response.url || response.data?.url;
          if (imageUrl) {
            this.form.imageUrl = imageUrl;
          } else {
            console.error('响应中没有找到图片URL:', response);
            this.$message.error("上传成功但未获取到图片URL");
          }
        } else {
          this.$message.error(response.msg || "上传失败");
        }
      } catch (error) {
        console.error('上传失败:', error);
        this.$message.error("上传失败：" + (error.message || '未知错误'));
      } finally {
        this.$modal.closeLoading();
      }
      
      // 通知el-upload组件上传完成
      options.onSuccess();
    },
  },
};
</script>

<style scoped>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}

.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 148px;
  height: 148px;
  line-height: 148px;
  text-align: center;
}

.avatar {
  width: 148px;
  height: 148px;
  display: block;
  object-fit: cover;
}
</style>